Axisymmetrical metal forming analysis with rigid-plastic/rigid-viscoplastic FEM based on linear programming

被引：0
|
作者：
Lin, ZQ [1 ]
Xu, WL [1 ]
Shi, XC [1 ]
Thomson, P [1 ]
Di, SL [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai, Peoples R China
来源：
SIMULATION OF MATERIALS PROCESSING: THEORY, METHODS AND APPLICATIONS | 2001年
关键词：
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In the paper, the theoretical model for rigid-plastic/rigid-Viscoplastic (RP/RVP) FEM based on linear programming is proposed for axisymmetrical metal forming process. Compared with the traditional RP/RVP FEM based on iteration, the new one has some remarkable advantages, such as its free of convergence problem and its convenience in contact, rigid zone, and friction force treatment. The new RP/RVP FEM can get better solution accuracy with less CPU time, which is validated in two simulation examples. The proposed method can not be applied to 3D metal forming processes directly, the model and related mathematics programming shall be changed, which is on developing in our research group.
引用
收藏
页码：85 / 90
页数：6
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